include/wx/mac/carbon/dataform.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        mac/dataform.h
   3 // Purpose:     declaration of the wxDataFormat class
   4 // Author:      Stefan Csomor (lifted from dnd.h)
   5 // Modified by:
   6 // Created:     10/21/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1999 Stefan Csomor
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_MAC_DATAFORM_H
  13 #define _WX_MAC_DATAFORM_H
  14
  15 class WXDLLEXPORT wxDataFormat
  16 {
  17 public:
  18     typedef unsigned long NativeFormat;
  19
  20     wxDataFormat();
  21     wxDataFormat(wxDataFormatId vType);
  22     wxDataFormat(const wxString& rId);
  23     wxDataFormat(NativeFormat vFormat);
  24
  25     wxDataFormat& operator=(NativeFormat vFormat)
  26         { SetId(vFormat); return *this; }
  27
  28     // comparison (must have both versions)
  29     bool operator==(const wxDataFormat& format) const ;
  30     bool operator!=(const wxDataFormat& format) const
  31         { return ! ( *this == format ); }
  32     bool operator==(wxDataFormatId format) const
  33         { return m_type == (wxDataFormatId)format; }
  34     bool operator!=(wxDataFormatId format) const
  35         { return m_type != (wxDataFormatId)format; }
  36
  37     // explicit and implicit conversions to NativeFormat which is one of
  38     // standard data types (implicit conversion is useful for preserving the
  39     // compatibility with old code)
  40     NativeFormat GetFormatId() const { return m_format; }
  41     operator NativeFormat() const { return m_format; }
  42
  43     void SetId(NativeFormat format);
  44
  45     // string ids are used for custom types - this SetId() must be used for
  46     // application-specific formats
  47     wxString GetId() const;
  48     void SetId(const wxString& pId);
  49
  50     // implementation
  51     wxDataFormatId GetType() const { return m_type; }
  52     void SetType( wxDataFormatId type );
  53
  54     // returns true if the format is one of those defined in wxDataFormatId
  55     bool IsStandard() const { return m_type > 0 && m_type < wxDF_PRIVATE; }
  56
  57 private:
  58     wxDataFormatId   m_type;
  59     NativeFormat     m_format;
  60     // indicates the type in case of wxDF_PRIVATE :
  61     wxString         m_id ;
  62 };
  63
  64 #endif // _WX_MAC_DATAFORM_H